Call button indicator and wall plate for elevators



FIG. 1 is a front elevational view of a call button indicator and wall plate for elevators showing our new design, with the broken lines showing environment only and forming no part of the claimed design;

FIG. 2 is a left side elevational view thereof, with the right side being a mirror image;

FIG. 3 is a top plan view thereof with the bottom being a mirror image; and

FIG. 4 is a perspective view thereof.

The broken lines shown in the drawings illustrate the wall environment on which the article is mounted and are not a part of the design. 

The ornamental design for a call button indicator and wall plate for elevators, as shown and described. 